Min 4.75ct 12x12mm Trillion Russian Lab Alexandrite Item: RAT120A
JTV Price: $94.99Price: $39.99 You Save: 58%
Product Description for Min 4.75ct 12x12mm Trillion Russian Lab AlexandriteAlexandrite is a phenomenal gem known as "emerald by day, ruby by night" because it changes color from green in fluorescent and daylight to red in incandescent light. Ranking 8.5 on Mohs' scale, it's ideal for daily wear. Discovered in 1830 in emerald mines of Russia's Ural Mountains, it was named for Czar Alexander II. Found in Brazil, Sri Lanka, and Tanzania, alexandrite only forms when aluminum/beryllium and chrome (which rarely occurs in nature) come together, accounting for its rarity.
Product Information for Min 4.75ct 12x12mm Trillion Russian Lab Alexandrite
| Product Type: | Single Stone |
Primary Stone / Alexandrite
| Shape: | Trillion | Composition: | Synthetic |
| Cut: | Mixed Cuts | Treatment: | Untreated |
| Color: | Green | Gemstone Group: | Chrysoberyl |
| Dimensions: | 12 MM - Calibrated | Origin: | Russia |
| Count: | 1.00 | Origin: | Russia |
| Customer Rating |
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4.8
out of 5
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5 of 5 (100%) customers would recommend this product to a friend. |
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5
out of 5
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Unbelievable!,
July 14, 2008
RysMonkey
, PA
| Quality: |
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5
out of 5
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| Value: |
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5
out of 5
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"This stone is BEAUTIFUL. The color change is so dramatic. My stone weighed in at a whopping 7 carats! I bought this to make a pendant for my sister for Christmas because it's her birthstone and she's never even seen an alexandrite. She is going to love it... now I need to get one (or 5) for myself. I would definitely recommend getting this stone or any other lab alex. They are perfection. Website pictures and even what you see on tv really can't convey the beauty of this stone. You have to see it in person."
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Product met expectations:
Yes
Purchased as a gift:
Yes
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5
out of 5
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simply beautiful,
July 10, 2008
justgettinstarted
, pa
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5
out of 5
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| Value: |
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5
out of 5
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"Very beautiful and stunning stone . Will enjoy giving it and watching the reactions. Very pleased."
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Product met expectations:
Yes
Purchased as a gift:
Yes
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4
out of 5
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A True Beauty,
May 27, 2008
OperaMAW
, New Jersey
| Quality: |
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4
out of 5
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| Value: |
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5
out of 5
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"A very beautiful stone. I love trillion cuts and this one hits the mark. The reason I gave it only 4 Diamonds is that it is not yet mounted and I cannot truly tell about the appearance until it is. Since real Alexandrite is way beyond my current budget, this lab created stone is a marvelous and welcome substitute."
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Product met expectations:
Yes
Purchased as a gift:
Yes
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 home learning library alexandrite
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Fast Facts
| A member of the Chrysoberyl family, alexandrite holds a prized and highly priced position among jewelry and gem collectors. |
| A color change stone, alexandrite can appear green in daylight and change to a raspberry color in incandescent light, but other color changes are also highly prized. |
| Alexandrite was discovered in 1830 in the Ural Mountains on the day Czar Alexander II came of age, and thus the stones were named in his honor. |
 The primary sources for alexandrite are Sri Lanka, Brazil, Burma (Myanmar), Madagascar and Russia.
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Alexandrite is a highly prized variety of chrysoberyl. Alexandrite only forms when aluminum/beryllium and chrome (which rarely occurs in nature) come together, accounting for its rarity. On Mohs’ scale of hardness, alexandrite is 8.5. It has a strong vitreous luster and primary sources include Sri Lanka, Zimbabwe, and Brazil (Minas Gerais).
Color
Alexandrite is typically found in blue, blue-green, and brownish-green shades. However, this phenomenal gem is known as "emerald by day, ruby by night" because of its ability to change color, depending on the type of light in which it's viewed. In the daylight and fluorescent light, alexandrite appears in shades of blue and green, but in tungsten (incandescent) light, it appears in shades of red. Other alexandrite color changes are possible (from blue to purple, from greenish blue to reddish blue, from brownish-green to brownish-red, etc.) and also highly prized.
   
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